How to transfer computer acoustics 2.0 powered by 18650 batteries?
I want to transfer computer speakers to batteries, how to do it right and how many cans of 18650 do I need?
Help me choose a gear motor to remotely turn on and off the difavomat
They installed an electrical panel above 2 meters, in connection with this, it is necessary to organize remote control of the input automatic machine. What gear motor to choose for this?
Help me understand the marking of the cable cores of the warm floor
Hello! On veins of a cable for a heat-insulated floor the tags do not correspond to color marking. Trust the manufacturer or connect by color?
How to connect a three-phase asynchronous motor 380 to a single-phase 220 network?
Hello! How to connect a three-phase asynchronous electric motor to a 220V network, according to what formula, calculate the capacitor if it is connected according to the star circuit?
How to choose a motion sensor for LED lamps?
Tell me, do all motion sensors work with LED lamps and spotlights? In the descriptions I met that the sensor only works with incandescent lamps.
Regulation of voltage and current on a brain stimulator
I bought an electrostimulator for the brain. There are two voltage and current switches on the device. On the first - 2 Amps, under the second - 15 Volts.
What tool can be used to strip the insulation of larger cables?
Hello! What tool to strip the insulation of a large-section stranded wire, for example, 16mm2?
Is it possible to equalize the potentials of electric oven and gas stove?
The apartment is without grounding. The problem is that between the electric oven body and the gas stove the voltage is 100V, is it possible to equalize the potentials?
Help repair an electric kettle
The electric kettle does not work, I started checking: in the 220V socket, and on the stand of the kettle the device shows 380-410V. I can not understand what is the reason!
How to find out if my neighbor is stealing electricity from me?
I began to pay twice as much for electricity. Therefore, there are suspicions that a neighbor is stealing electricity! How to check and how to prove it?
Is voltage 15V and current 2A dangerous?
Hello, is a current of 2 amperes and 15 volts dangerous?
What power can the generator give to consumers?
Generator with a rated power of 30 kW: does this mean that at maximum load it will give consumers 30 kW / h?
How to lay the cable from the antenna on the ceiling and how to fix it?
Hello! Is it possible to lay the cable from the television antenna on the draft ceiling, if a tensioner is installed on top? How to fix it correctly?
Is it possible to replace the Kron battery with an adapter in a multimeter?
Why does the multimeter not work when, instead of the crown, I connect a 9V power supply? How to connect?
How to hang a chandelier in a new building?
How to hang a chandelier, if there are plastic rings on the ceiling on the ceilings in new buildings, can they be dismantled? Or how else to hang chandeliers?
Why the lamp for manicure does not work?
I bought the "San 5" lamp, it immediately goes out after turning on in any of the modes. Help me figure out what is the reason?
Why does the circuit breaker knock out when turning on different electrical appliances?
Help me figure out why the circuit breaker knocks out when turning on different electrical appliances! How to find the reason?
How to smooth out the pulsation of bulbs through a diode?
I connected the lamps in the entrance through the diode and they began to pulsate, is it possible to somehow smooth out the ripples? Which capacitor to put?
Will the damage be compensated if the electric stove burns out after turning off the light?
After a planned outage, problems with the equipment began. Later, the machine failed and the induction cooker burned out, who should repair the damage?
How to calculate the short-circuit current and setting current for a circuit breaker?
Hello! It is necessary to calculate the short-circuit current and the setting current of the circuit breaker. Given the line length, engine power, substation, tell me how to calculate?
I can not understand what this outlet is for?
I found such a strange connector in a rented apartment in Denmark. I went through the entire Internet, and even in the rarest types of sockets I could not find. What could be?
Is it possible to connect several powerful consumers to one machine?
Is it possible to connect an electric oven - 2.5 kW (max 5.7 kW), a washing machine - 2.2 kW and a water heater - 2 kW to one machine?
How legitimate is the unauthorized organization of the grounding circuit in Khrushchev?
Hello! The house has a two-wire network, there is no grounding. But the neighbors themselves connected to the grounding device. Is this legal and can I do the same?
How to calculate how much power a machine consumes?
Good time. Please tell me: in the machine tag is indicated current 312A. How to calculate how many kilowatts it consumes per hour? If possible, send formulas.
